CN212105857U

CN212105857U - Offset type underground pressure measuring suspension device

Info

Publication number: CN212105857U
Application number: CN202020636487.3U
Authority: CN
Inventors: 陈炳畅
Original assignee: Tianjin Chengzechang Petroleum Technology Co ltd
Current assignee: Tianjin Chengzechang Petroleum Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-08
Anticipated expiration: 2030-04-24

Abstract

The utility model provides an offset formula underground pressure measurement linkage belongs to pressure gauge linkage technical field in the pit. The offset type underground pressure measurement suspension device comprises an electronic pressure gauge, a suspension fixing part and a shunt protection part. The suspension fixing part comprises a sleeve and a top cover, the electronic pressure gauge is installed at the bottom end inside the top cover, the sleeve is movably sleeved outside the electronic pressure gauge, and the top end of the sleeve is fixedly connected to the bottom of the top cover. The utility model discloses the elastic support subassembly has good elasticity for the linkage wholly has good shock-absorbing capacity, and oil pipe oil absorption during operation, the vibrations that reducible oil pipe produced are to the influence of electron pressure meter inner assembly. The protection top cap above the top cap adopts the taper reposition of redundant personnel structure, can effectively shunt the fluid of linkage top when oil pipe oil absorption, reduces the resistance on linkage top, guarantees that linkage can use stably for a long time.

Description

Offset type underground pressure measuring suspension device

Technical Field

The utility model relates to a pressure gauge linkage field in the pit particularly, relates to offset type pressure gauge linkage in the pit.

Background

The oil well productivity evaluation is completed through a productivity test. Conventional productivity tests are performed underground, i.e., by measuring well production and bottom hole pressure to determine a well productivity index and thereby evaluate well productivity.

And the pressure gauge is put into the oil well along with the oil pipe, so that the pressure gauge can be used for testing the pressure in the oil well and evaluating the evaluation data of the productivity of the oil well. The existing offset pressure metering suspension device is installed at the inner side of the bottom end of an oil pipe, and due to the installation mode, when the oil pipe absorbs oil, the suspension device generates large flow resistance, the stability of the offset pressure metering suspension device is influenced, the loosening condition is easy to generate, and even the suspension device possibly falls off and is sucked into the oil pipe when the oil pipe absorbs oil.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a biasing formula is pressure measurement linkage in pit aims at improving the inboard installation of oil pipe bottom, and fluid flow resistance is great, influences the problem of linkage installation stability.

The utility model discloses a realize like this:

the utility model provides an offset formula underground pressure measurement linkage, include the electron pressure gauge, hang fixed part and reposition of redundant personnel protection part.

The suspension fixing part comprises a sleeve and a top cover, the electronic pressure gauge is installed at the bottom inside the top cover, the sleeve is movably sleeved outside the electronic pressure gauge, the top end of the sleeve is fixedly connected to the bottom of the top cover, the shunt protection part comprises a protection top cover and elastic supporting components, the protection top cover is fixedly installed at the top end of the top cover, the protection top cover is of a conical structure, the elastic supporting components are provided with two groups, and the elastic supporting components are respectively installed on the protection top cover and one side of the sleeve.

In an embodiment of the present invention, the elastic supporting component includes a fixing base, a clamping plate and an elastic connecting member, the clamping plate is fixedly connected to the fixing base, the elastic connecting member is at least provided with two sets, and the bottom end of the elastic connecting member is movably connected to the clamping plate.

In an embodiment of the present invention, the clamp plate is kept away from the fixing base one side is provided with a non-slip mat, just the fixing base with the non-slip mat is an arc-shaped structure.

In an embodiment of the present invention, the elastic connection member includes a fixing bolt, a first spring and a second spring, the end of the fixing bolt is movably connected to the clamp plate, the first spring and the second spring are respectively disposed on two sides of the clamp plate, and the first spring and the second spring are both sleeved outside the screw of the fixing bolt.

In an embodiment of the present invention, the second spring is close to one side of the nut of the fixing bolt is provided with a limiting ring, and the limiting ring is movably sleeved on the outside of the screw of the fixing bolt.

The utility model discloses an in one embodiment, the sleeve top is provided with first engaging lug along outer, the top cap bottom is provided with the second engaging lug along outer, first engaging lug with second engaging lug fixed connection.

In an embodiment of the present invention, an elastic support ring is installed on the inner wall of the sleeve, and the electronic pressure gauge is sleeved on the inner ring of the elastic support ring.

In an embodiment of the present invention, the sleeve and the top cover have all been provided with through holes.

The utility model discloses an in the embodiment, the inside cavity that is provided with of protection top cap, just protection top cap bottom leaves the gap with top cap top installation department.

In an embodiment of the present invention, the bottom of the top cover is provided with a threaded opening, and the top of the electronic pressure gauge is screwed and fixed to the top cover.

The utility model has the advantages that: the utility model discloses an offset pressure measurement linkage in pit that above-mentioned design obtained, during the use, install the elastic support subassembly in the oil pipe bottom outside, be about to linkage integral erection and fix in the oil pipe bottom outside. The elastic supporting assembly has good elasticity, so that the whole suspension device has good damping capacity, and the influence of vibration generated by the oil pipe on the internal assembly of the electronic pressure gauge can be reduced when the oil pipe absorbs oil. The protection top cap above the top cap adopts the taper reposition of redundant personnel structure, can effectively shunt the fluid of linkage top when oil pipe oil absorption, reduces the resistance on linkage top, guarantees that linkage can use stably for a long time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an offset downhole pressure gauge suspension provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a shunt protection part provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of an elastic support assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an installation structure of the elastic connecting member according to an embodiment of the present invention.

In the figure: 10-an electronic pressure gauge; 20-hanging the fixed part; 210-a sleeve; 220-a top cover; 230-an elastic support ring; 240-through holes; 250-a first connection ear; 260-a second engaging lug; 30-a shunt protection part; 310-a protective top cover; 311-a cavity; 320-a resilient support member; 321-a fixed seat; 322-clamping plate; 323-elastic connecting element; 324-a non-slip mat; 325-a limit ring; 326-fixing bolts; 327-a first spring; 328-second spring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides an offset type suspension device for underground pressure measurement, which includes an electronic pressure gauge 10, a suspension fixing portion 20 and a shunt protection portion 30.

The electronic pressure gauge 10, the suspension fixing part 20 and the shunt protection part 30 are mounted outside the bottom end of the oil pipe, and oil pressure generated when the oil pipe absorbs oil can be effectively reduced. The hanging fixing portion 20 is used for fixedly mounting the electronic pressure gauge 10, and the hanging fixing portion 20 has a good protection effect on the electronic pressure gauge 10. The shunting protection part 30 can suspend the oil liquid at the upper end of the fixed part 20 for shunting when the oil pipe absorbs oil, so that the oil pressure at the top of the suspended fixed part 20 is reduced, and the use of the device is more stable.

Referring to fig. 1, the hanging fixing portion 20 includes a sleeve 210 and a top cover 220, the electronic pressure gauge 10 is mounted at the bottom end of the top cover 220, a threaded hole is formed at the bottom end of the top cover 220, and the top end of the electronic pressure gauge 10 is screwed to the top cover 220. The sleeve 210 is movably sleeved outside the electronic pressure gauge 10, and the top end of the sleeve 210 is fixedly connected to the bottom of the top cover 220; the outer edge of the top end of the sleeve 210 is provided with a first connecting lug 250, the outer edge of the bottom end of the top cover 220 is provided with a second connecting lug 260, and the first connecting lug 250 and the second connecting lug 260 are respectively integrally formed with the sleeve 210 and the top cover 220; the first engaging lug 250 is fixedly connected with the second engaging lug 260, and the first engaging lug 250 is fixed with the second engaging lug 260 by bolts. The inner wall of the sleeve 210 is provided with an elastic support ring 230, the electronic pressure gauge 10 is sleeved on the inner ring of the elastic support ring 230, and the elastic support ring 230 can be a corrosion-resistant rubber ring for limiting and fixing the electronic pressure gauge 10. Through holes 240 are formed in the outer sides of the sleeve 210 and the top cover 220, and external oil can enter the sleeve 210 and the top cover 220 through the through holes 240, so that the overall buoyancy of the device is reduced.

Referring to fig. 2, the shunt protection part 30 includes a protection top cover 310 and an elastic support component 320, the protection top cover 310 is fixedly installed at the top end of the top cover 220, the protection top cover 310 and the top cover 220 are fixed by bolts, and the protection top cover 310 is a conical structure; the inside cavity 311 that is provided with of protection top cap 310, and protection top cap 310 bottom leaves the gap with top cap 220 top installation department for inside fluid can get into protection top cap 310's cavity 311, the holistic buoyancy of reduction device. Two sets of elastic support members 320 are provided, and the two sets of elastic support members 320 are respectively installed at one side of the protective top cover 310 and one side of the sleeve 210.

Referring to fig. 3, the elastic supporting assembly 320 includes a fixing base 321, a clamping plate 322 and an elastic connecting member 323, one surface of the clamping plate 322 is fixedly connected to the fixing base 321, the clamping plate 322 and the fixing base 321 are fixed by welding, and the fixing base 321, the sleeve 210 and the outer wall of the protective top cover 310 are fixed by welding. At least two groups of elastic connecting pieces 323 are arranged, and the bottom ends of the elastic connecting pieces 323 movably penetrate through the clamping plate 322. The clamping plate 322 is provided with a non-slip pad 324 on one side away from the fixing seat 321, and the fixing seat 321 and the non-slip pad 324 are both arc-shaped structures. The elastic support assembly 320 is installed at the outer side of the bottom of the oil pipe, that is, the suspension device is integrally installed and fixed at the outer side of the bottom end of the oil pipe through the elastic connecting piece 323.

Referring to fig. 4, the elastic connection member 323 includes a fixing bolt 326, a first spring 327 and a second spring 328, an end of the fixing bolt 326 movably penetrates the clamping plate 322, the first spring 327 and the second spring 328 are respectively disposed on two sides of the clamping plate 322, and the first spring 327 and the second spring 328 are both sleeved outside a screw of the fixing bolt 326. The first spring 327 and the second spring 328 in the elastic connecting member 323 enable the suspension to have good shock absorption capability as a whole, and reduce the influence of the vibration generated by the oil pipe on the internal components of the electronic pressure gauge 10 when the oil pipe sucks oil. A limiting ring 325 is arranged on one side of the second spring 328 close to the nut of the fixing bolt 326, the limiting ring 325 is movably sleeved outside the screw of the fixing bolt 326, and the limiting ring 325 is used for limiting and supporting the second spring 328.

It should be noted that, the device uses and is provided with centralizer or packer outside the oil pipe bottom, and centralizer or packer can guarantee that oil pipe bottom can not produce the touching and damage this linkage with the oil well inner wall.

The offset type underground pressure measurement suspension device has the working principle that: when the electronic pressure gauge is used, the electronic pressure gauge 10 is arranged at the bottom of the top cover 220 in a spiral mode, the sleeve 210 is sleeved outside the electronic pressure gauge 10, and the top end of the sleeve 210 and the bottom of the top cover 220 are fixedly arranged. The elastic support assembly 320 is installed outside the bottom of the oil pipe, that is, the suspension device is integrally installed and fixed outside the bottom end of the oil pipe through the fixing bolt 326 in the elastic connecting piece 323. The first spring 327 and the second spring 328 in the elastic connecting member 323 enable the suspension to have good shock absorption capability as a whole, and reduce the influence of the vibration generated by the oil pipe on the internal components of the electronic pressure gauge 10 when the oil pipe sucks oil. The protection top cover 310 above the top cover 220 adopts a tapered shunting structure, so that oil above the suspension device can be effectively shunted when oil pipes absorb oil, the resistance on the top end of the suspension device is reduced, and the suspension device can be stably used for a long time.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The offset type underground pressure measurement suspension device is characterized by comprising

An electronic pressure gauge (10);

the hanging fixing part (20), the hanging fixing part (20) comprises a sleeve (210) and a top cover (220), the electronic pressure gauge (10) is installed at the bottom end of the inside of the top cover (220), the sleeve (210) is movably sleeved outside the electronic pressure gauge (10), and the top end of the sleeve (210) is fixedly connected to the bottom of the top cover (220);

shunt protection part (30), shunt protection part (30) are including protection top cap (310) and elastic support component (320), protection top cap (310) fixed mounting in top cap (220) top, just protection top cap (310) are the toper structure, elastic support component (320) are provided with two sets ofly, and two sets ofly elastic support component (320) install respectively in protection top cap (310) with sleeve (210) one side.

2. The offset downhole pressure metering suspension device according to claim 1, wherein the elastic support assembly (320) comprises a fixed seat (321), a clamping plate (322) and elastic connecting members (323), one surface of the clamping plate (322) is fixedly connected to the fixed seat (321), at least two groups of the elastic connecting members (323) are arranged, and the bottom ends of the elastic connecting members (323) movably penetrate through the clamping plate (322).

3. The offset downhole pressure metering suspension device according to claim 2, wherein a non-slip pad (324) is arranged on a side of the clamping plate (322) away from the fixed seat (321), and the fixed seat (321) and the non-slip pad (324) are both arc-shaped structures.

4. The offset downhole pressure metering suspension device according to claim 2, wherein the elastic connector (323) comprises a fixing bolt (326), a first spring (327) and a second spring (328), the end of the fixing bolt (326) movably penetrates through the clamping plate (322), the first spring (327) and the second spring (328) are respectively arranged on two sides of the clamping plate (322), and the first spring (327) and the second spring (328) are sleeved outside a screw of the fixing bolt (326).

5. The offset downhole pressure metering suspension device according to claim 4, wherein a limit ring (325) is arranged on one side of the second spring (328) close to the nut of the fixing bolt (326), and the limit ring (325) is movably sleeved outside the screw rod of the fixing bolt (326).

6. The offset downhole pressure gauge suspension of claim 1, wherein the sleeve (210) is provided with a first engaging lug (250) at an outer edge of a top end thereof, and the top cover (220) is provided with a second engaging lug (260) at an outer edge of a bottom end thereof, the first engaging lug (250) and the second engaging lug (260) being fixedly connected.

7. The offset type downhole pressure metering suspension device according to claim 1, wherein an elastic supporting ring (230) is mounted on the inner wall of the sleeve (210), and the electronic pressure gauge (10) is sleeved on the inner ring of the elastic supporting ring (230).

8. The offset downhole pressure gauge suspension of claim 1, wherein the sleeve (210) and the top cover (220) each define a through-hole (240) therein.

9. The offset downhole pressure gauge suspension of claim 1, wherein the protective canopy (310) has a cavity (311) disposed therein, and wherein a gap is provided between a bottom of the protective canopy (310) and a top of the canopy (220).

10. The offset downhole pressure gauge hanging device according to claim 1, wherein the top cover (220) is provided with a threaded opening at the bottom end inside, and the electronic pressure gauge (10) is screwed and fixed at the top end to the top cover (220).